Multiple factorshavecontributed to the demise, includinglogging, agriculturalland conversion, over-exploitation, populationgrowth, pollutionand the impact of invasive alienspecies.
Co-written by Xiu and director Hanawa Yukinari, the film suffers an occasional lapse in continuity, but is fascinating both for its evenhanded look at life among Tokyo's alienpopulation, as well as for its attempts to capture visually the rhythm of the city without endings.